code: def test_input_binary_all_right():
      y_target = np.array([0, 0, 0, 0, 1, 1, 1, 1])
      y_model1 = np.array([0, 0, 0, 0, 1, 1, 1, 1])
      y_model2 = np.array([0, 0, 0, 0, 1, 1, 1, 1])
      tb = mcnemar_table(
          y_target=y_target, y_model1=y_model1, y_model2=y_model2
      )
      expect = np.array([[8, 0], [0, 0]])
      np.testing.assert_array_equal(tb, expect)
  
file_path: mlxtend/mlxtend/evaluate/tests/test_mcnemar_table.py
imports: import numpy
  from mlxtend.evaluate import mcnemar_table
  from mlxtend.utils import assert_raises
label_desc: Use image node_id 4 for calling a global function with example usage: test_input_binary_all_right() without return types